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For the following system, use the second equation to make a substitution for y in the first equation.
3x + y = 2
y + 4 = 3x
 one year ago
 one year ago
For the following system, use the second equation to make a substitution for y in the first equation. 3x + y = 2 y + 4 = 3x
 one year ago
 one year ago

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RyanL.Best ResponseYou've already chosen the best response.1
solve for y on the second equation
 one year ago

RyanL.Best ResponseYou've already chosen the best response.1
y + 4 = 3x y + 44 = 3x4 y = 3x4 Plug that into 3x + y = 2 What do you get then?
 one year ago

RyanL.Best ResponseYou've already chosen the best response.1
Yes you are correct. Then solve for x
 one year ago
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